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The WDT has the following features
Can be used to secure clock stabilization time
Used when exiting standby mode or a temporary standby state when the clock frequency is
changed.
Can be switched between watchdog timer mode and interval timer mode
Internal reset generation in watchdog timer mode
An internal reset is executed on counter overflow.
Power-on reset or manual reset can be selected.
Interrupt generation in interval timer mode
An interval timer interrupt is generated on counter overflow.
Selection of eight counter input clocks
Any of eight clocks can be selected, scaled from the
figure 10.1.
The CPG is described in sections 10.2 to 10.6, and the WDT in sections 10.7 to 10.9.
Rev. 3.0, 04/02, page 242 of 1064
1 clock of frequency divider 2 shown in
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